AT43USB325E-AC

Series:	AVR®
Packaging:	Tray
Part Status:	Obsolete
Applications:	Keyboard Controller
Core Processor:	AVR
Program Memory Type:	SRAM (16 kB)
Controller Series:	AT43USB
RAM Size:	512 x 8
Interface:	SPI, 3-Wire Serial
Number of I/O:	42
Voltage - Supply:	4.4 V ~ 5.25 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	64-LQFP
Supplier Device Package:	64-LQFP (10x10)
Base Part Number:	AT43USB325

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Introduction

The AT43USB325E-AC is a low power complete mixed-signal microcontroller which combines all the functions of an advanced mixed-signal microcontroller and a dedicated USB interface, including analog-to-digital conversion, pwm control and digital-to-analog conversion. This controller is highly suitable for applications that require power and precision, such as medical and instrumentation systems, and it has a wide variety of application fields.This article will discuss the AT43USB325E-AC application field and working principle in detail.

Working Principle

The AT43USB325E-AC microcontroller can be used in a variety of applications such as medical and instrumentation systems. It offers a wide array of features, including analog-to-digital conversion, pwm control, digital-to-analog conversion, temperature measurement and high noise immunity. The AT43USB325E-AC also contains an advanced 16-bit CPU, up to 16K bytes of on-chip flash program memory, 512 bytes of RAM and 32 general purpose I/O lines.The AT43USB325E-AC microcontroller is designed to interface directly with a host PC which supports the USB 2.0 or higher protocol. It supports a wide range of PC-based operating systems, such as Windows®, Linux®, and Mac®. The AT43USB325E-AC can be programmed through an easy to use Integrated Development Environment (IDE) which allows the user to program the device in assembly, C or a combination of both languages.The AT43USB325E-AC contains a USB 2.0 interface which allows it to directly connect to a PC or host system. The controller supports a wide range of software applications, such as USB HID, Human Interface Devices (HID), communication protocols like I2C, SPI and UART, as well as USB device drivers. The controller also includes a USB 2.0 full-speed device controller and is compliant with USB 1.1 and USB 2.0 full-speed specifications.

Application Fields

With its power efficient design, the AT43USB325E-AC can be used for a variety of applications. The following are some of the application fields for the AT43USB325E-AC.

• Industrial Automation: The AT43USB325E-AC can be used in a range of industrial automation applications such as robotics, process control and industrial networking.
• Medical Equipment: The AT43USB325E-AC can they can be used in medical equipment such as blood pressure monitors, blood glucose monitors, ultrasound machines and x-ray machines.
• Home Automation: The AT43USB325E-AC can be used in home automation applications such as temperature, lighting and security control.
• Instrumentation: The AT43USB325E-AC can be used in instrumentation and control systems such as data acquisition and control systems.
• Consumer Electronics: The AT43USB325E-AC can be used in consumer electronics such as MP3 players and mobile devices.

Conclusion

The AT43USB325E-AC is a complete mixed-signal microcontroller that offers a wide array of features, including analog-to-digital conversion, pwm control, digital-to-analog conversion, temperature measurement and high noise immunity. The controller can be used to control a wide variety of applications and is highly suitable for applications that require power and precision. It is also compatible with a variety of PC-based operating systems and can be easily programmed through an Integrated Development Environment.

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